On the official Pokémon website it was announced that Hidden Ability Passimian and Oranguru have been released for Pokémon Bank users. This is only available for registered Pokémon Bank users. The Pokémon can be transferred from Pokémon Bank to Pokemon Ultra Sun and Ultra Moon as well as Pokémon Sun and Moon. These Pokémon cannot be received through normal game play.

Passimian has the hidden ability Defiant, if hit with a stat lowering effect, defiant, will cause its attack to raise by two levels. Alternatively Oranguru's hidden ability Symbiosis allows it to transfer its own held item to a teammate. To receive both Pokémon users must subscribe by October 31st, 2019.

The Following steps activate the Pokémon event are
1. Start Pokémon Bank and select the game in which you would like to receive them.
2. After receiving your gift in Pokémon Bank, start up the game you previously selected.
3. Speak to the delivery person in any Pokémon Center to receive your Pokémon as a Mystery Gift.
4. Remember to save your game.